Answer:
Step-by-step explanation:
P = 2( L + W)
To solve for L first divide both sides by 2
That's
[tex] \frac{P}{2} = L + W[/tex]
Move W to the other side of the equation to make L stand alone
We have the final answer as
[tex]L = \frac{P}{2} - W \\ [/tex]
Hope this helps you